body, div, span, header, footer, nav, section, aside, article, ul, dl, dt, dd, li, a, p, h1, h2, h3, h4,h5, h6, i, b, textarea, button, input, select, figure, figcaption {
    padding: 0;
    margin: 0;
    list-style: none;
    font-style: normal;
    text-decoration: none;
    border: none;
    box-sizing: border-box;
    font-family: "Microsoft Yahei",sans-serif;
    -webkit-tap-highlight-color:transparent;
    -webkit-font-smoothing: antialiased;
    height: auto;
    &:focus {
        outline: none;
    }
}
html,body{
    height: 100%;
    width: 100%;
    background-color: #F5F5F5;
    font-size: 12px;
    min-width: 1200px;
    min-height:600px;
}
#app{
    height: 100%;
    width: 100%;
}
.pc-background{
  background: url(../image/login-background.jpg);
}
@media screen and (max-width: 1920px) {
    html,body{
      font-size: 16px;
    }
}
@media screen and (max-width: 1790px) {
    html,body{
      font-size: 15px;
    }
}
@media screen and (max-width: 1652px) {
    html,body{
      font-size: 14px;
    }
}
@media screen and (max-width: 1514px) {
    html,body{
      font-size: 13px;
    }
}
@media screen and (max-width: 1366px) {
    html,body{
      font-size: 12px;
    }
}